APA (7th ed.) Citation

Fonnesberg-Schmidt, I. (2007). The popes and the Baltic crusades: 1147 - 1254. The Northern world.

Chicago Style (17th ed.) Citation

Fonnesberg-Schmidt, Iben. "The Popes and the Baltic Crusades: 1147 - 1254." The Northern World 2007.

MLA (8th ed.) Citation

Fonnesberg-Schmidt, Iben. "The Popes and the Baltic Crusades: 1147 - 1254." The Northern World, 2007.

Warning: These citations may not always be 100% accurate.